240 lines
8.6 KiB
C
240 lines
8.6 KiB
C
/*
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* hostapd - driver interface definition
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* Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
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* Copyright (c) 2007-2008, Intel Corporation
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Alternatively, this software may be distributed under the terms of BSD
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* license.
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*
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* See README and COPYING for more details.
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*/
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#ifndef DRIVER_H
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#define DRIVER_H
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struct hostapd_data;
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struct hostap_sta_driver_data {
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unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
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unsigned long current_tx_rate;
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unsigned long inactive_msec;
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unsigned long flags;
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unsigned long num_ps_buf_frames;
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unsigned long tx_retry_failed;
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unsigned long tx_retry_count;
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int last_rssi;
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int last_ack_rssi;
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};
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struct hostapd_sta_add_params {
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const u8 *addr;
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u16 aid;
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u16 capability;
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const u8 *supp_rates;
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size_t supp_rates_len;
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int flags;
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u16 listen_interval;
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const struct ht_cap_ie *ht_capabilities;
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};
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struct hostapd_freq_params {
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int mode;
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int freq;
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int ht_enabled;
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int sec_channel_offset; /* 0 = HT40 disabled, -1 = HT40 enabled,
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* secondary channel below primary, 1 = HT40
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* enabled, secondary channel above primary */
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};
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enum hostapd_driver_if_type {
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HOSTAPD_IF_VLAN, HOSTAPD_IF_WDS
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};
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struct wpa_driver_ops {
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const char *name; /* as appears in the config file */
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void * (*init)(struct hostapd_data *hapd);
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void * (*init_bssid)(struct hostapd_data *hapd, const u8 *bssid);
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void (*deinit)(void *priv);
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int (*wireless_event_init)(void *priv);
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void (*wireless_event_deinit)(void *priv);
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/**
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* set_8021x - enable/disable IEEE 802.1X support
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* @ifname: Interface name (for multi-SSID/VLAN support)
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* @priv: driver private data
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* @enabled: 1 = enable, 0 = disable
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*
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* Returns: 0 on success, -1 on failure
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*
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* Configure the kernel driver to enable/disable 802.1X support.
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* This may be an empty function if 802.1X support is always enabled.
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*/
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int (*set_ieee8021x)(const char *ifname, void *priv, int enabled);
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/**
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* set_privacy - enable/disable privacy
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* @priv: driver private data
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* @enabled: 1 = privacy enabled, 0 = disabled
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*
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* Return: 0 on success, -1 on failure
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*
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* Configure privacy.
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*/
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int (*set_privacy)(const char *ifname, void *priv, int enabled);
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int (*set_encryption)(const char *ifname, void *priv, const char *alg,
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const u8 *addr, int idx,
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const u8 *key, size_t key_len, int txkey);
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int (*get_seqnum)(const char *ifname, void *priv, const u8 *addr,
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int idx, u8 *seq);
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int (*get_seqnum_igtk)(const char *ifname, void *priv, const u8 *addr,
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int idx, u8 *seq);
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int (*flush)(void *priv);
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int (*set_generic_elem)(const char *ifname, void *priv, const u8 *elem,
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size_t elem_len);
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int (*read_sta_data)(void *priv, struct hostap_sta_driver_data *data,
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const u8 *addr);
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int (*send_eapol)(void *priv, const u8 *addr, const u8 *data,
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size_t data_len, int encrypt, const u8 *own_addr);
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int (*sta_deauth)(void *priv, const u8 *addr, int reason);
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int (*sta_disassoc)(void *priv, const u8 *addr, int reason);
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int (*sta_remove)(void *priv, const u8 *addr);
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int (*get_ssid)(const char *ifname, void *priv, u8 *buf, int len);
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int (*set_ssid)(const char *ifname, void *priv, const u8 *buf,
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int len);
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int (*set_countermeasures)(void *priv, int enabled);
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int (*send_mgmt_frame)(void *priv, const void *msg, size_t len,
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int flags);
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int (*set_assoc_ap)(void *priv, const u8 *addr);
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/* note: sta_add() is deprecated; use sta_add2() instead */
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int (*sta_add)(const char *ifname, void *priv, const u8 *addr, u16 aid,
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u16 capability, u8 *supp_rates, size_t supp_rates_len,
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int flags, u16 listen_interval);
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int (*sta_add2)(const char *ifname, void *priv,
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struct hostapd_sta_add_params *params);
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int (*get_inact_sec)(void *priv, const u8 *addr);
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int (*sta_clear_stats)(void *priv, const u8 *addr);
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/* note: set_freq() is deprecated; use set_freq2() instead */
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int (*set_freq)(void *priv, int mode, int freq);
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int (*set_freq2)(void *priv, struct hostapd_freq_params *freq);
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int (*set_rts)(void *priv, int rts);
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int (*get_rts)(void *priv, int *rts);
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int (*set_frag)(void *priv, int frag);
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int (*get_frag)(void *priv, int *frag);
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int (*set_retry)(void *priv, int short_retry, int long_retry);
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int (*get_retry)(void *priv, int *short_retry, int *long_retry);
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int (*sta_set_flags)(void *priv, const u8 *addr,
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int total_flags, int flags_or, int flags_and);
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int (*set_rate_sets)(void *priv, int *supp_rates, int *basic_rates,
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int mode);
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int (*set_country)(void *priv, const char *country);
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int (*set_ieee80211d)(void *priv, int enabled);
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int (*set_beacon)(const char *ifname, void *priv,
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u8 *head, size_t head_len,
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u8 *tail, size_t tail_len);
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/* Configure internal bridge:
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* 0 = disabled, i.e., client separation is enabled (no bridging of
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* packets between associated STAs
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* 1 = enabled, i.e., bridge packets between associated STAs (default)
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*/
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int (*set_internal_bridge)(void *priv, int value);
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int (*set_beacon_int)(void *priv, int value);
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int (*set_dtim_period)(const char *ifname, void *priv, int value);
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/* Configure broadcast SSID mode:
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* 0 = include SSID in Beacon frames and reply to Probe Request frames
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* that use broadcast SSID
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* 1 = hide SSID from Beacon frames and ignore Probe Request frames for
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* broadcast SSID
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*/
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int (*set_broadcast_ssid)(void *priv, int value);
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int (*set_cts_protect)(void *priv, int value);
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int (*set_key_tx_rx_threshold)(void *priv, int value);
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int (*set_preamble)(void *priv, int value);
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int (*set_short_slot_time)(void *priv, int value);
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int (*set_tx_queue_params)(void *priv, int queue, int aifs, int cw_min,
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int cw_max, int burst_time);
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int (*bss_add)(void *priv, const char *ifname, const u8 *bssid);
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int (*bss_remove)(void *priv, const char *ifname);
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int (*valid_bss_mask)(void *priv, const u8 *addr, const u8 *mask);
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int (*passive_scan)(void *priv, int now, int our_mode_only,
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int interval, int _listen, int *channel,
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int *last_rx);
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struct hostapd_hw_modes * (*get_hw_feature_data)(void *priv,
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u16 *num_modes,
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u16 *flags);
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int (*if_add)(const char *iface, void *priv,
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enum hostapd_driver_if_type type, char *ifname,
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const u8 *addr);
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int (*if_update)(void *priv, enum hostapd_driver_if_type type,
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char *ifname, const u8 *addr);
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int (*if_remove)(void *priv, enum hostapd_driver_if_type type,
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const char *ifname, const u8 *addr);
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int (*set_sta_vlan)(void *priv, const u8 *addr, const char *ifname,
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int vlan_id);
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/**
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* commit - Optional commit changes handler
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* @priv: driver private data
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* Returns: 0 on success, -1 on failure
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*
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* This optional handler function can be registered if the driver
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* interface implementation needs to commit changes (e.g., by setting
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* network interface up) at the end of initial configuration. If set,
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* this handler will be called after initial setup has been completed.
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*/
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int (*commit)(void *priv);
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int (*send_ether)(void *priv, const u8 *dst, const u8 *src, u16 proto,
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const u8 *data, size_t data_len);
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int (*set_radius_acl_auth)(void *priv, const u8 *mac, int accepted,
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u32 session_timeout);
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int (*set_radius_acl_expire)(void *priv, const u8 *mac);
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int (*set_ht_params)(const char *ifname, void *priv,
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const u8 *ht_capab, size_t ht_capab_len,
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const u8 *ht_oper, size_t ht_oper_len);
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int (*set_wps_beacon_ie)(const char *ifname, void *priv,
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const u8 *ie, size_t len);
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int (*set_wps_probe_resp_ie)(const char *ifname, void *priv,
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const u8 *ie, size_t len);
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};
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void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
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int reassoc);
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void hostapd_tx_status(struct hostapd_data *hapd, const u8 *addr,
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const u8 *buf, size_t len, int ack);
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void hostapd_rx_from_unknown_sta(struct hostapd_data *hapd, const u8 *addr);
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int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
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const u8 *ie, size_t ielen);
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void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
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void hostapd_eapol_receive(struct hostapd_data *hapd, const u8 *sa,
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const u8 *buf, size_t len);
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struct hostapd_frame_info {
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u32 phytype;
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u32 channel;
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u32 datarate;
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u32 ssi_signal;
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unsigned int passive_scan:1;
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};
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void hostapd_mgmt_rx(struct hostapd_data *hapd, u8 *buf, size_t len,
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u16 stype, struct hostapd_frame_info *fi);
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void hostapd_mgmt_tx_cb(struct hostapd_data *hapd, u8 *buf, size_t len,
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u16 stype, int ok);
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void hostapd_michael_mic_failure(struct hostapd_data *hapd, const u8 *addr);
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#endif /* DRIVER_H */
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